Malwarebytes

Malwarebytes Inc.

Vendor

Malwarebytes began as a teenager's fix for his own infected computer: Marcin Kleczynski wrote the first version in the mid-2000s after malware his antivirus could not remove got onto the family PC, and built the company around cleaning up machines that other products had already failed to protect. That remains its distinctive position — for years it was the second opinion people installed alongside their antivirus rather than instead of it, and it still sells a free on-demand cleaner as well as full protection. It is headquartered in Santa Clara, California, with offices in Ireland, Estonia, Italy, Spain and Israel. In 2024 it split its business in two by brand: consumer products keep the Malwarebytes name, and everything sold to organisations moved to ThreatDown. Households buy Malwarebytes Premium, with Malwarebytes VPN, Malwarebytes Mobile Security, Malwarebytes Identity Theft Protection and the free AdwCleaner and Browser Guard tools. Organisations buy ThreatDown Endpoint Protection and the managed detection service above it.

Country: United States
Headquarters: Santa Clara, United States
Year Established: 2008
Employees: 1,000
Customers: 20K organisations (2022)Source: Santa Clara-based Malwarebytes raises $100M weeks after cutting 125 jobs
Users: 25M users (2024)Vendor states: Malwarebytes Growth Partners
Revenue: $126.2M (2017)Source: Wikipedia
Website: https://www.malwarebytes.com/
Status: Active

Support locations

Support in 6 countries on 3 continents, from 7 known locations

Headquarters · Santa Clara, United States Support location Country with support

North America1 country · 2 locations: United States · Santa Clara, St. Petersburg
Europe4 countries: Estonia · TallinnIreland · CorkItaly · Bastia UmbraSpain · Bilbao
Asia1 country: Israel · Tel Aviv

Where the vendor offers local support — a support centre, an office it lists, or a local support line (shown as the country alone) — from the vendor’s own site. Partners and resellers are not counted.

Products

Product	Category	Market	Platform & Version	Free / Paid
Malwarebytes	Home Antimalware	Consumer	iOS:5.35macOS:5.28.3Windows:5.7.3.376	Paid
Malwarebytes Endpoint Protection	Small Business Antimalware	Enterprise, SMB	macOS:5.5.0.585	Paid
Malwarebytes Mobile Security	Mobile Security	Consumer	iOS:5.35	Free tier available
ThreatDown Advanced	Small Business Antimalware	Enterprise, SMB	Windows:2.5.0.24	Paid
ThreatDown Endpoint Agent	Small Business Antimalware	Enterprise, SMB	Linux:1.1.89macOS:1.7.0.178Windows:2.2.0.10	Paid

Certifications

OESIS Framework Support

SupportedMalwarebytes
SupportedMalwarebytes Endpoint Protection
SupportedThreatDown Endpoint Agent

OPSWAT Certified Security Application

GoldMalwarebytes
GoldThreatDown Endpoint Agent

Recent test results

AV-Comparatives

Antivirus Performance Test September 20262026-10-20
MalwarebytesAdvancedRank 14
Malware Protection Test — September 20262026-10-15
MalwarebytesTested
Real-World Protection Test — February–May 20262026-06-15
MalwarebytesStandard
Performance Test — April 20262026-04-22
MalwarebytesAdvancedRank 12
Malware Protection Test — March 20262026-04-15
MalwarebytesTested
Real-World Protection Test — July–October 20252025-11-17
MalwarebytesTested
Malware Protection Test — September 20252025-10-15
MalwarebytesTested
Performance Test — September 20252025-10-15
MalwarebytesAdvancedRank 11

MITRE ATT&CK Evaluations

Enterprise 20242024-12-11
ThreatDown Advancedno award or score recorded

SE Labs

Home Anti-Malware 2026 Q1—
MalwarebytesAAAScore 97

Recent changes

2026-10-29Certified: OPSWAT Certified Security Application (Gold) Malwarebytes
2026-10-28Certified: OPSWAT Certified Security Application (Platinum) Malwarebytes
2026-10-28New version: 5.35 (iOS) Malwarebytes Mobile Security
2026-10-28New version: 5.35 (iOS) Malwarebytes
2026-10-28Certified: OPSWAT Certified Security Application (Platinum) Malwarebytes
2026-10-28New version: 5.7.3.376 (Windows) Malwarebytes
2026-10-26Certified: OPSWAT Certified Security Application (Gold) Malwarebytes
2026-10-25Certified: OPSWAT Certified Security Application (Platinum) Malwarebytes
2026-10-24Certified: OPSWAT Certified Security Application (Gold) Malwarebytes
2026-10-23Certified: OPSWAT Certified Security Application (Platinum) Malwarebytes
2026-10-22Certified: OPSWAT Certified Security Application (Gold) Malwarebytes
2026-10-21Users: 25M users (2024, from Malwarebytes Growth Partners)
2026-10-21Customers: 20K organisations (2022, from Santa Clara-based Malwarebytes raises $100M weeks after cutting 125 jobs)
2026-10-21Customers: 20K organisations (2022, from LLM estimation)
2026-10-21Users: 25M users (2024, from LLM estimation)

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